Finding the Fourth Proportional to 2,471.60, 3,412.04 and 1,423.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.60 : 3,412.04 = 1,423.46 : x
2. Step 2: Convert to fraction form
   2,471.60/3,412.04 = 1,423.46/x
3. Step 3: Cross multiply
   2,471.60x = 3,412.04 × 1,423.46
4. Step 4: Simplify right side
   2,471.60x = 4,856,878.28
5. Step 5: Solve for x
   x = 4,856,878.28/2,471.60
6. Step 6: Final answer
   x = 1,965.08